The following questions come from Norton Medical Industries’ transportation industry drug quiz. The quiz tests drug and alcohol knowledge. 1. How long can marijuana remain detectable in a user’s system? A) Up to two days B) Up to 12 weeks C) Up to 45 days D) Up to 5 days 2. Marijuana has a negative effect on: A) Thinking B) Learning C) Coordination D) All of the above 3. How long can cocaine remain detectable in a user’s system? A) Up to two days B) Up to 12 weeks C) Up to 18 days D) Up to 5 days 4. The stages of addiction include: A) Experimentation B) Occasional use C) Buys on his/her own D) A need for the drug E) All of the above 5. Cocaine affects the blood vessels in the heart and brain by: A) Contracting (making them smaller) B) Dilating (making them larger) C) No effect D) Turning them inside out 6. Amphetamines can cause: A) Feelings of increased abilities B) Loss of appetite C) Addiction D) Feelings of increased energy E) Vascular disease F) Psychosis G) All of the above Answers: (C), (D), (D), (E), (A), (G)